Exxon, Shell Are Pressed
To Review Russia Pacts

MOSCOW -- A pair of multibillion-dollar energy projects in Russia led by Exxon Mobil Corp. and Royal Dutch Shell PLC have encountered unprecedented regulatory pressure in recent weeks, amid rising complaints by officials here that the deals are unfavorable to Russia.

The projects, off Sakhalin Island in Russia's far east, are the biggest foreign investments in this country's energy sector and some of the largest new oil-and-gas...